/* ==========================================================================
   Cerne Marcenaria — landing
   Design system adaptado de functionhealth.com (Inspo). Dark-first, editorial.
   Tokens de tipo, espaço e raio preservados em ratio, não em pixel.
   ========================================================================== */

:root {
  /* Tipografia -------------------------------------------------------- */
  --font-serif: "Newsreader", "Financier Display", Georgia, serif;
  --font-sans: "Hanken Grotesk", "FT Base", system-ui, -apple-system, sans-serif;
  --font-mono: "Fragment Mono", ui-monospace, monospace;

  --h1: clamp(3rem, 6.2vw, 5rem);
  --h2: clamp(2.25rem, 4.6vw, 4rem);
  --h3: clamp(1.0625rem, 0.6vw + 0.9rem, 1.25rem);
  --text-xl: clamp(1.125rem, 0.56vw + 0.99rem, 1.5rem);
  --text-lg: clamp(1.125rem, 0.19vw + 1.08rem, 1.25rem);
  --text-md: clamp(1rem, 0.19vw + 0.96rem, 1.125rem);
  --text-sm: 0.875rem;
  --text-xs: 0.75rem;

  /* Cor — base quente, madeira escura --------------------------------- */
  --wood-900: #12100C;
  --wood-850: #17140F;
  --wood-800: #1C1913;
  --wood-700: #241F17;

  --beige: #FEF9EF;
  --text-01: var(--beige);
  --text-02: #C4BDB4;
  --text-03: #886F5A;

  --brass: #B45C34;
  --clay: #CC9A81;
  --umber: #5C3C0C;

  --stroke: rgba(254, 249, 239, 0.10);
  --stroke-strong: rgba(254, 249, 239, 0.24);

  /* Espaço — base 4px -------------------------------------------------- */
  --s1: 8px;  --s2: 12px; --s3: 16px; --s4: 24px;
  --s5: 32px; --s6: 40px; --s7: 56px; --s8: 80px;
  --s9: clamp(80px, 9vw, 120px);

  --shell: 1440px;
  --gutter: clamp(20px, 5vw, 64px);

  --radius-sm: 0.375rem;
  --radius-base: 0.75rem;
  --radius-lg: clamp(1rem, 0.75vw + 0.82rem, 1.5rem);
  --radius-xl: clamp(1.5rem, 1.5vw + 1.15rem, 2.5rem);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --grain-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
}

/* Reset -------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  background: var(--wood-900);
  color: var(--text-01);
  font-family: var(--font-sans);
  font-size: var(--text-md);
  font-weight: 300;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }

:focus-visible { outline: 2px solid var(--clay); outline-offset: 3px; border-radius: 2px; }
::selection { background: var(--brass); color: var(--beige); }

.skip-link {
  position: absolute; left: var(--s4); top: -100px; z-index: 100;
  background: var(--beige); color: var(--wood-900);
  padding: var(--s2) var(--s4); border-radius: var(--radius-base);
  font-size: var(--text-sm); font-weight: 600;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: var(--s4); }

/* Primitivas --------------------------------------------------------- */
.shell {
  width: 100%; max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-03);
}

.muted { color: var(--text-02); }

h1, h2 {
  font-family: var(--font-serif);
  font-weight: 300;
  letter-spacing: -0.012em;
  text-wrap: balance;
}
h1 { font-size: var(--h1); line-height: 0.92; }
h2 { font-size: var(--h2); line-height: 1.02; }

h3 {
  font-family: var(--font-sans);
  font-size: var(--h3);
  font-weight: 600;
  line-height: 1.34;
  letter-spacing: -0.01em;
}

em { font-style: italic; color: var(--clay); }

.lede {
  font-size: var(--text-xl);
  line-height: 1.48;
  color: var(--text-02);
  max-width: 52ch;
  text-wrap: pretty;
}

.grain {
  position: absolute; inset: 0;
  background-image: var(--grain-svg);
  opacity: 0.04;
  mix-blend-mode: overlay;
  pointer-events: none;
}

/* Botões ------------------------------------------------------------- */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--beige);
  --btn-bd: var(--stroke-strong);
  display: inline-flex; align-items: center; justify-content: center;
  padding: 15px 26px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--btn-bd);
  border-radius: var(--radius-base);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: -0.005em;
  line-height: 1;
  cursor: pointer;
  transition: background 0.35s var(--ease), color 0.35s var(--ease),
              border-color 0.35s var(--ease), transform 0.35s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary { --btn-bg: var(--brass); --btn-bd: var(--brass); }
.btn--primary:hover { --btn-bg: var(--clay); --btn-bd: var(--clay); --btn-fg: var(--wood-900); }
.btn--ghost:hover { --btn-bg: var(--beige); --btn-fg: var(--wood-900); --btn-bd: var(--beige); }

.btn--sm { padding: 11px 18px; }
.btn--lg { padding: 19px 32px; font-size: var(--text-md); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: var(--text-sm); font-weight: 600;
  color: var(--clay);
  padding-bottom: 5px;
  border-bottom: 1px solid rgba(204, 154, 129, 0.3);
  transition: border-color 0.3s var(--ease), gap 0.3s var(--ease);
}
.link-arrow svg {
  width: 16px; height: 16px;
  fill: none; stroke: currentColor; stroke-width: 1.5;
  stroke-linecap: round; stroke-linejoin: round;
}
.link-arrow:hover { gap: 16px; border-color: var(--clay); }

/* Header ------------------------------------------------------------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease), backdrop-filter 0.4s var(--ease),
              border-color 0.4s var(--ease);
}
.site-header[data-scrolled="true"] {
  background: rgba(18, 16, 12, 0.74);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--stroke);
}

.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s4);
  height: 76px;
}

.wordmark { display: flex; align-items: center; gap: 12px; }
.wordmark__mark {
  width: 22px; height: 22px; flex: none;
  fill: none; stroke: var(--brass); stroke-width: 1.2;
}
.wordmark__text {
  display: flex; flex-direction: column;
  font-family: var(--font-serif);
  font-size: 1.25rem; font-weight: 400; line-height: 1;
  letter-spacing: 0.01em;
}
.wordmark__sub {
  font-family: var(--font-mono);
  font-size: 9px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--text-03);
  margin-top: 5px;
}

.nav {
  display: flex; gap: var(--s5);
  font-size: var(--text-sm);
  color: var(--text-02);
}
.nav a { position: relative; padding-block: 4px; transition: color 0.3s var(--ease); }
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right;
  transition: transform 0.4s var(--ease);
}
.nav a:hover { color: var(--beige); }
.nav a:hover::after { transform: scaleX(1); transform-origin: left; }

.burger {
  display: none;
  flex-direction: column; align-items: center; justify-content: center;
  width: 44px; height: 44px;
  background: none; border: 1px solid var(--stroke);
  border-radius: var(--radius-sm);
  padding: 0; cursor: pointer;
}
.burger span {
  display: block; width: 16px; height: 1px; background: var(--beige);
  transition: transform 0.3s var(--ease);
}
.burger span + span { margin-top: 5px; }
.burger[aria-expanded="true"] span:first-child { transform: translateY(3px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { transform: translateY(-3px) rotate(-45deg); }

.menu-mobile {
  display: flex; flex-direction: column; gap: var(--s4);
  padding: var(--s4) var(--gutter) var(--s6);
  background: rgba(18, 16, 12, 0.97);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--stroke);
  font-size: var(--text-lg);
}
.menu-mobile[hidden] { display: none; }
.menu-mobile .btn { align-self: flex-start; }

/* Hero --------------------------------------------------------------- */
.hero {
  position: relative;
  padding-top: clamp(132px, 16vw, 188px);
  padding-bottom: var(--s9);
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: -25% -10% auto -10%; height: 80%;
  background: radial-gradient(55% 55% at 18% 30%, rgba(180, 92, 52, 0.20), transparent 70%),
              radial-gradient(40% 40% at 82% 6%, rgba(92, 60, 12, 0.30), transparent 70%);
  pointer-events: none;
}

/* Réguas verticais — referência ao desenho técnico */
.rules {
  position: absolute; inset: 0;
  max-width: var(--shell); margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid; grid-template-columns: repeat(5, 1fr);
  pointer-events: none;
}
.rules i { border-left: 1px solid rgba(254, 249, 239, 0.045); }
.rules i:first-child { border-left-color: transparent; }

.hero__inner { position: relative; }
.hero__title { margin-top: var(--s4); }

.hero__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: var(--s6);
  margin-top: var(--s7);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--s2); }

/* Faixa de imagens full-bleed */
.band {
  position: relative;
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  gap: 4px;
  margin-top: clamp(48px, 6vw, 80px);
  height: clamp(280px, 34vw, 440px);
}
.band__cell {
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  filter: saturate(0.92);
  transition: filter 0.6s var(--ease), transform 0.8s var(--ease);
}
.band__cell::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(18, 16, 12, 0.55), transparent 55%);
}
.band:hover .band__cell { filter: saturate(0.7) brightness(0.72); }
.band .band__cell:hover { filter: none; }

.band__cell--a {
  background-image:
    repeating-linear-gradient(90deg, rgba(0,0,0,0.16) 0 1px, transparent 1px 74px),
    linear-gradient(168deg, #2A1D14 0%, #6E452B 42%, #C08B5E 100%);
}
.band__cell--b {
  background-image:
    repeating-linear-gradient(180deg, rgba(0,0,0,0.14) 0 1px, transparent 1px 48px),
    linear-gradient(200deg, #1E1912 0%, #4A3524 46%, #8A6440 100%);
}
.band__cell--c {
  background-image:
    repeating-linear-gradient(90deg, rgba(0,0,0,0.30) 0 2px, transparent 2px 14px),
    linear-gradient(150deg, #3A2718 0%, #7A4F30 55%, #C9A87C 100%);
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--s4);
  margin-top: clamp(48px, 6vw, 72px);
  padding-top: var(--s4);
  border-top: 1px solid var(--stroke);
}
.stats dt {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-03);
  margin-bottom: 10px;
}
.stats dd {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3vw, 2.75rem); font-weight: 300; line-height: 1;
  display: flex; align-items: baseline; gap: 8px;
}
.stats dd span {
  font-family: var(--font-sans);
  font-size: var(--text-sm); font-weight: 400;
  color: var(--text-03);
}

/* Faixa de parceiros -------------------------------------------------- */
.strip {
  border-block: 1px solid var(--stroke);
  padding-block: var(--s4);
  background: var(--wood-850);
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee { display: flex; width: max-content; }
.marquee--loop { animation: slide 50s linear infinite; }
.marquee__track {
  display: flex; align-items: center; gap: var(--s5);
  padding-right: var(--s5);
  font-family: var(--font-serif);
  font-size: 1.375rem;
  color: var(--text-02);
  white-space: nowrap;
}
.marquee__track i { color: var(--brass); font-style: normal; font-size: 1rem; }
.strip:hover .marquee--loop { animation-play-state: paused; }
@keyframes slide { to { transform: translateX(-50%); } }

/* Seções -------------------------------------------------------------- */
.section { padding-block: var(--s9); }
.section--alt { background: var(--wood-850); border-block: 1px solid var(--stroke); }

.section__head { margin-bottom: clamp(48px, 6vw, 80px); }
.section__head .eyebrow { margin-bottom: var(--s4); }
.section__head-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  gap: var(--s7);
  align-items: end;
}

/* Diferenciais (split) ------------------------------------------------ */
.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.split__head .eyebrow { margin-bottom: var(--s4); }
.split__body { border-top: 1px solid var(--stroke); }

.line-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: var(--s4);
  padding-block: var(--s6);
  border-bottom: 1px solid var(--stroke);
}
.line-item__num {
  color: var(--brass);
  letter-spacing: 0.2em;
  padding-top: 5px;
}
.line-item h3 { margin-bottom: var(--s2); }
.line-item p { color: var(--text-02); max-width: 56ch; }

/* Ambientes (bento) --------------------------------------------------- */
.rooms {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: clamp(180px, 17vw, 240px);
  gap: var(--s2);
}
.room {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-base);
  border: 1px solid var(--stroke);
  isolation: isolate;
}
.room--tall { grid-column: span 2; grid-row: span 2; }
.room--wide { grid-column: span 2; }
.room:nth-child(2) { grid-row: span 2; }
.room:nth-child(6) { grid-column: span 2; }

.room__img {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transform: scale(1.01);
  transition: transform 0.9s var(--ease);
}
.room__img::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(18, 16, 12, 0.92) 0%, rgba(18, 16, 12, 0.35) 45%, transparent 75%);
}
.room:hover .room__img, .room:focus-within .room__img { transform: scale(1.06); }

.room__label {
  position: absolute; inset: auto 0 0 0;
  padding: var(--s4);
  display: flex; flex-direction: column;
}
.room__label .mono { color: var(--clay); margin-bottom: var(--s2); }
.room__label h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.375rem, 2vw, 1.875rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.room__label p {
  font-size: var(--text-sm);
  color: var(--text-02);
  max-width: 44ch;
  margin-top: var(--s2);
}

@media (hover: hover) and (min-width: 861px) {
  .room__label p {
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
  }
  .room:hover .room__label p,
  .room:focus-within .room__label p { opacity: 1; transform: none; }
}

.room__img--kitchen {
  background-image:
    repeating-linear-gradient(90deg, rgba(0,0,0,0.18) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(180deg, rgba(0,0,0,0.10) 0 1px, transparent 1px 140px),
    linear-gradient(160deg, #241810 0%, #6B4429 45%, #C08B5E 100%);
}
.room__img--closet {
  background-image:
    repeating-linear-gradient(180deg, rgba(0,0,0,0.16) 0 1px, transparent 1px 54px),
    linear-gradient(196deg, #1C1710 0%, #4B3523 50%, #8A6440 100%);
}
.room__img--bedroom {
  background-image:
    repeating-linear-gradient(90deg, rgba(0,0,0,0.26) 0 2px, transparent 2px 12px),
    linear-gradient(150deg, #211A13 0%, #5A3E28 60%, #9A7048 100%);
}
.room__img--office {
  background-image:
    repeating-linear-gradient(115deg, rgba(0,0,0,0.12) 0 1px, transparent 1px 28px),
    linear-gradient(210deg, #1A1610 0%, #3E2E20 55%, #7A5637 100%);
}
.room__img--living {
  background-image:
    repeating-linear-gradient(90deg, rgba(0,0,0,0.32) 0 2px, transparent 2px 16px),
    linear-gradient(120deg, #2B1E14 0%, #7A4F30 58%, #C9A87C 100%);
}
.room__img--gourmet {
  background-image:
    repeating-linear-gradient(180deg, rgba(0,0,0,0.14) 0 1px, transparent 1px 40px),
    linear-gradient(140deg, #1E1912 0%, #4A3524 48%, #B07A4E 100%);
}

/* Processo (stack) ---------------------------------------------------- */
.stack { border-top: 1px solid var(--stroke); }
.step {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) 160px;
  gap: var(--s5);
  align-items: start;
  padding-block: clamp(32px, 3.5vw, 56px);
  border-bottom: 1px solid var(--stroke);
  transition: border-color 0.4s var(--ease);
}
.step:hover { border-bottom-color: var(--stroke-strong); }
.step__num { font-size: var(--text-sm); color: var(--brass); padding-top: 6px; }
.step__body { max-width: 62ch; }
.step__body h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 2.6vw, 2.25rem);
  font-weight: 300; line-height: 1.1; letter-spacing: -0.01em;
  margin-bottom: var(--s2);
}
.step__body p { color: var(--text-02); }
.step__meta { color: var(--text-03); text-align: right; padding-top: 8px; }

/* Materiais ----------------------------------------------------------- */
.materials {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}
.materials__copy .eyebrow { margin-bottom: var(--s4); }
.materials__copy .lede { margin-top: var(--s4); font-size: var(--text-lg); }
.materials__copy .link-arrow { margin-top: var(--s5); }

.swatches {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s4);
}
.swatch {
  display: flex; flex-direction: column; align-items: flex-start;
  font-size: var(--text-sm);
}
.swatch strong { font-weight: 500; margin-top: var(--s3); }
.swatch em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-03);
  margin-top: 5px;
}
.swatch__chip {
  width: 100%; aspect-ratio: 1;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  background-size: cover;
  transition: transform 0.5s var(--ease), border-color 0.5s var(--ease);
}
.swatch:hover .swatch__chip { transform: scale(1.04); border-color: var(--stroke-strong); }

.swatch__chip--freijo   { background-image: linear-gradient(145deg, #8A5A3B, #C08B5E 70%, #D8AC81); }
.swatch__chip--carvalho { background-image: linear-gradient(145deg, #B08A5C, #E3CBA4 75%, #F0DFC2); }
.swatch__chip--nogueira { background-image: linear-gradient(145deg, #3A2318, #7A4A32 70%, #96613F); }
.swatch__chip--imbuia   { background-image: repeating-linear-gradient(90deg, rgba(0,0,0,0.22) 0 2px, transparent 2px 9px), linear-gradient(145deg, #2F1E13, #6B452B 72%, #8A5D3A); }
.swatch__chip--laca     { background-image: linear-gradient(145deg, #CFC8BA, #F2ECE0 72%, #FEF9EF); }
.swatch__chip--pedra    { background-image: radial-gradient(circle at 30% 25%, rgba(255,255,255,0.35), transparent 45%), linear-gradient(145deg, #9A958C, #C8C3BA 70%, #E5E2DC); }

/* Citação -------------------------------------------------------------- */
.quote {
  background: var(--wood-800);
  border-block: 1px solid var(--stroke);
  padding-block: var(--s9);
}
.quote__inner { display: flex; justify-content: center; }
.quote blockquote { max-width: min(100%, 940px); }
.quote p {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3.6vw, 3rem);
  font-weight: 300; line-height: 1.16; letter-spacing: -0.015em;
  text-wrap: balance;
}
.quote footer { margin-top: var(--s5); font-size: var(--text-sm); color: var(--text-03); }
.quote footer .mono { color: var(--text-01); }

/* FAQ ------------------------------------------------------------------ */
.faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.section__head--sticky { position: sticky; top: 112px; margin-bottom: 0; }

.faq { border-top: 1px solid var(--stroke); }
.faq details { border-bottom: 1px solid var(--stroke); }
.faq summary {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s4);
  padding-block: var(--s4);
  font-size: var(--text-lg);
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  transition: color 0.3s var(--ease);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--clay); }

.faq__sign { position: relative; flex: none; width: 14px; height: 14px; }
.faq__sign::before, .faq__sign::after {
  content: ""; position: absolute; inset: 50% 0 auto 0;
  height: 1px; background: currentColor;
  transition: transform 0.35s var(--ease);
}
.faq__sign::after { transform: rotate(90deg); }
.faq details[open] .faq__sign::after { transform: rotate(0deg); }

.faq__body { overflow: hidden; }
.faq__body p { color: var(--text-02); max-width: 62ch; padding-bottom: var(--s4); }
.faq details[open] .faq__body { animation: unfold 0.45s var(--ease); }
@keyframes unfold {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

/* CTA ------------------------------------------------------------------ */
.cta {
  position: relative;
  padding-block: clamp(96px, 12vw, 160px);
  overflow: hidden;
  border-top: 1px solid var(--stroke);
}
.cta::before {
  content: ""; position: absolute; inset: auto -10% -60% -10%; height: 120%;
  background: radial-gradient(50% 50% at 50% 80%, rgba(180, 92, 52, 0.28), transparent 70%);
  pointer-events: none;
}
.cta__inner {
  position: relative;
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
}
.cta__inner .eyebrow { margin-bottom: var(--s4); }
.cta__inner .lede { margin-top: var(--s5); text-align: center; max-width: 48ch; }
.cta__actions {
  display: flex; flex-wrap: wrap; justify-content: center; gap: var(--s2);
  margin-top: var(--s6);
}

/* Footer --------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--stroke);
  padding-top: var(--s8);
  background: var(--wood-850);
}
.footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: var(--s7);
  padding-bottom: var(--s8);
}
.footer__brand { display: flex; align-items: flex-start; gap: 12px; }
.footer__brand p { font-size: var(--text-sm); line-height: 1.7; }

.footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s4);
}
.footer__cols h4 {
  font-weight: 400; color: var(--text-03);
  letter-spacing: 0.12em; margin-bottom: var(--s2);
}
.footer__cols p { font-size: var(--text-sm); color: var(--text-02); line-height: 1.8; }
.footer__cols a { transition: color 0.3s var(--ease); }
.footer__cols a:hover { color: var(--clay); }

.footer__base {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s2);
  padding-block: var(--s4);
  border-top: 1px solid var(--stroke);
  color: var(--text-03);
}

/* Reveal ---------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: calc(var(--d, 0) * 90ms);
}
.reveal.is-in { opacity: 1; transform: none; }

/* Responsivo ------------------------------------------------------------ */
@media (max-width: 1100px) {
  .split, .materials, .faq-grid, .section__head-row {
    grid-template-columns: 1fr;
  }
  .section__head-row { gap: var(--s4); }
  .section__head--sticky { position: static; margin-bottom: var(--s6); }
  .rooms { grid-auto-rows: clamp(170px, 24vw, 220px); }
  .footer__inner { grid-template-columns: 1fr; gap: var(--s6); }
}

@media (max-width: 860px) {
  .hero__row { grid-template-columns: 1fr; align-items: start; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s5) var(--s4); }
  .band { grid-template-columns: 1fr 1fr; height: clamp(220px, 38vw, 300px); }
  .band__cell--c { display: none; }
  .rooms {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-rows: clamp(200px, 40vw, 260px);
  }
  .room--tall, .room--wide,
  .room:nth-child(2), .room:nth-child(6) { grid-column: span 2; grid-row: span 1; }
}

@media (max-width: 760px) {
  .nav, .header__cta { display: none; }
  .burger { display: flex; }
  .rules { grid-template-columns: repeat(2, 1fr); }

  .step { grid-template-columns: 1fr; gap: var(--s3); }
  .step__meta { text-align: left; padding-top: 0; }
  .line-item { grid-template-columns: 1fr; gap: var(--s2); padding-block: var(--s5); }
  .line-item__num { padding-top: 0; }
  .swatches { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__cols { grid-template-columns: 1fr; gap: var(--s5); }
}

@media (max-width: 480px) {
  .rooms { grid-template-columns: 1fr; }
  .room--tall, .room--wide,
  .room:nth-child(2), .room:nth-child(6) { grid-column: span 1; }
  .stats { grid-template-columns: 1fr; }
  .stats div {
    display: flex; align-items: baseline; justify-content: space-between;
    gap: var(--s4);
    border-bottom: 1px solid var(--stroke);
    padding-bottom: var(--s3);
  }
  .stats dt { margin-bottom: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .room__label p { opacity: 1 !important; transform: none !important; }
}